Solenoid driving circuit for compact disc players for cars

Details Solenoid driving circuit for compact disc players for cars Solenoid driving circuit for compact disc players for cars

1996-08-05

1998-10-27

Elmore, Reba I.

Boots, shoes, and leggings

361206, 369 37, 360 75, G05B 1101, G11B 2102, H01H 900

Patent

active

058285652

ABSTRACT:
A solenoid driving apparatus for a compact disc player (CDP) for use in cars which enables the CDP to operate effectively and to continue to a following operation smoothly utilizing a latch type solenoid. The apparatus includes a disc detecting section for detecting an insertion state of a compact disc into the CDP to produce first and second detection signals, a microcomputer for receiving the first and second detection signals from the disc detecting section and producing first and second control signals in accordance with the first and second detection signals, a motor driving section for providing a driving force to a driving mechanism of the CDP in accordance with the first control signal of the microcomputer, and a solenoid driving section for driving the latch type solenoid for a predetermined time when the second control signal of the microcomputer is supplied to the solenoid driving section.

REFERENCES:
patent: 4924397 (1990-05-01), Kurihara et al.
patent: 5189570 (1993-02-01), Maeda et al.
patent: 5504723 (1996-04-01), Ross

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